This International Standard specifies requirements for haemodialysers, haemodiafilters, haemofilters and haemoconcentrators (hereafter referred to as “the device”) and (integral and non-integral) transducer protectors which are intended for use in haemodialysis, haemodiafiltration and haemofiltration. This International Standard does not apply to: — haemodialysers, haemodiafilters or haemofilters; — plasmafilters; — haemoperfusion devices; — vascular access devices; — blood pumps; — pressure monitors for the extracorporeal blood circuit; — air detection devices; — systems to prepare, maintain or monitor dialysis fluid; — systems or equipment intended to perform haemodialysis, haemodiafiltration, haemofiltration or haemoconcentration. NOTE Requirements for haemodialysers, haemodiafilters, haemofilters and haemoconcentrators are specified in ISO 8637.